Treatment Guides

The Complete Guide to Botox: What to Expect, How Long It Lasts, and Is It Right for You

8 min read|Updated February 15, 2026|By Dr. Élise Moreau, MD, Board-Certified Dermatologist

What Is Botox, Really?

Botox is a brand name for botulinum toxin type A — a purified protein that temporarily relaxes targeted facial muscles. When injected precisely by a trained provider, it softens expression lines (like forehead creases, crow's feet, and frown lines) without affecting your ability to show natural emotion. The treatment has been FDA-approved for cosmetic use since 2002, with an extensive safety record spanning over two decades. At Lumière, we use both Botox and Dysport, selecting the best option based on your facial anatomy and treatment goals.

How Does Botox Work?

Botox works by blocking the nerve signals that tell specific muscles to contract. When these muscles relax, the overlying skin smooths out, reducing the appearance of dynamic wrinkles — the lines that form when you squint, frown, or raise your eyebrows. The key is precision: a skilled injector targets only the muscles contributing to unwanted lines while preserving natural movement. This is why injector expertise matters so much — the goal is looking refreshed, never frozen.

What Areas Can Botox Treat?

The most common treatment areas include forehead lines (horizontal creases), glabellar lines (the '11s' between your brows), and crow's feet (lines around the eyes). Beyond these classics, Botox can also address bunny lines on the nose, lip flip (a subtle enhancement of the upper lip), jawline slimming (masseter reduction), neck bands (platysmal bands), and even excessive sweating (hyperhidrosis). Each area requires different dosing and injection techniques.

What to Expect During Treatment

A Botox appointment at Lumière typically takes 15-30 minutes. Your provider will discuss your goals, examine your facial anatomy, and mark injection points. The injections themselves use a very fine needle — most patients describe the sensation as a brief pinch. No anesthesia is needed, though we can apply a topical numbing cream if you prefer. There's no downtime: you can return to normal activities immediately, though we recommend avoiding intense exercise, lying flat, or rubbing the treated areas for 4 hours.

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When Will I See Results?

Results typically begin appearing within 3-5 days, with full effects visible at 10-14 days. This gradual onset means the change looks natural — you won't wake up looking dramatically different overnight. If this is your first treatment, we may start conservatively and schedule a two-week follow-up to assess results and add touch-ups if needed.

How Long Does Botox Last?

Most patients enjoy results for 3-4 months, though this varies by individual. Factors that influence longevity include your metabolism, the treatment area, dosing, and how expressive you are. With consistent treatments over time, many patients find their results last longer as the targeted muscles gradually weaken from reduced use. Lumière members on maintenance schedules often extend their results to 4-5 months.

Is Botox Right for You?

Botox is ideal for adults who want to soften existing expression lines or prevent new ones from forming. It's particularly effective for dynamic wrinkles — lines caused by muscle movement rather than skin laxity. Good candidates are generally healthy adults over 18 who have realistic expectations. Botox is not recommended during pregnancy or breastfeeding, or for individuals with certain neuromuscular conditions. The best way to determine if Botox is right for you is a consultation with an experienced injector.

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About the Author

Dr. Élise Moreau

MD, Board-Certified Dermatologist

Dr. Moreau founded Lumière with a singular vision: aesthetic medicine as art. Trained in Paris and New York, she specializes in advanced injectables, laser procedures, and comprehensive facial rejuvenation.

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